Industrial Line Follower Robot Using Rfid & TCRT5000 IR Sensor

 Circuit Diagram :- 

Circuit Connection Step By Step :-

Step 1 :- 

Interfacing With TCRT5000 IR Sensor

Step 2 :-

Interfacing With Rc-522 Rfid Module 

Step 3 :-

Interfacing With Dc Motor

Step 4 :-

Interfacing With Buzzer

Code :-

//Prateek //www.prateeks.in #include <SPI.h> #include <MFRC522.h> //Ir Sensor Interfacing #define LINESENSOR1 6 #define LINESENSOR2 7 #define LINESENSOR3 8 //Buzzer Interfacing #define BUZZER A0 //Motor Driver Interfacing #define MOTOR1A 2 #define MOTOR1B 3 #define MOTOR2A 4 #define MOTOR2B 5 //Rc-522 Rfid Interfacing #define RFID_SDA 10 #define RFID_SCK 13 #define RFID_MOSI 11 #define RFID_MISO 12 #define RFID_RST 9 //constant values definition #define STOP_TIME 3000 #define BEEP_LENGTH 200 #define MOTOR_SPEED 110 #define MINIMUM_TIME_BETWEEN_CARDS 2000 MFRC522 mfrc522(10, 9); long int last_card_read; #define COMMANDS_LENGTH 4 char* Type[4] = {"Stop", "Beep&stop", "Beep&ignore", "Stop"}; int Value[4] = {3000, 1000, 0, 5000}; //Here You put Your Rfid Card Number char* CardID[4] = {"xx xx xx xx", "xx xx xx xx", "xx xx xx xx", "xx xx xx xx"}; void setup() { SPI.begin(); mfrc522.PCD_Init(); pinMode(LINESENSOR1, INPUT); pinMode(LINESENSOR2, INPUT); pinMode(LINESENSOR3, INPUT); pinMode(BUZZER, OUTPUT); pinMode(MOTOR1A, OUTPUT); pinMode(MOTOR1B, OUTPUT); pinMode(MOTOR2A, OUTPUT); pinMode(MOTOR2B, OUTPUT); pinMode(DISTANCESENSOR, INPUT); } void loop() { if (digitalRead(LINESENSOR1) == LOW && digitalRead(LINESENSOR2) == HIGH && digitalRead(LINESENSOR3) == LOW) { Forward(); } else if (digitalRead(LINESENSOR1) == HIGH && digitalRead(LINESENSOR2) == LOW && digitalRead(LINESENSOR3) == LOW) { Left(); delay(20); } else if (digitalRead(LINESENSOR1) == LOW && digitalRead(LINESENSOR2) == LOW && digitalRead(LINESENSOR3) == HIGH) { Right(); delay(20); } if (millis() - last_card_read >= MINIMUM_TIME_BETWEEN_CARDS) { if ( ! mfrc522.PICC_IsNewCardPresent()) { return; } if ( ! mfrc522.PICC_ReadCardSerial()) { return; } String content = ""; for (byte i = 0; i < mfrc522.uid.size; i++) { Serial.print(mfrc522.uid.uidByte[i] < 0x10 ? " 0" : " "); Serial.print(mfrc522.uid.uidByte[i], HEX); content.concat(String(mfrc522.uid.uidByte[i] < 0x10 ? " 0" : " ")); content.concat(String(mfrc522.uid.uidByte[i], HEX)); } content.toUpperCase(); content = content.substring(1); for (int a = 0; a < COMMANDS_LENGTH; a++) { last_card_read = millis(); if (content == CardID[a]) { if (Type[a] == "Stop") { Stop(); delay(Value[a]); } else if (Type[a] == "Beep&stop") { digitalWrite(BUZZER, HIGH); Stop(); delay(Value[a]); digitalWrite(BUZZER, LOW); } else if (Type[a] == "Beep&ignore") { Stop(); digitalWrite(BUZZER, HIGH); delay(500); digitalWrite(BUZZER, LOW); } else if (Type[a] == "Ignore") { } } } } }


Github

Here You Put Your Rfid Tag Number :-

Video :-